IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 chain mail
(3, 11, D:1)
  a +0 ring mail
(6, 18, D:1)
  a +0 whip
(10, 15, D:1)
  a +0 ring mail
(18, 0, D:1)
  a rat skeleton
(22, 25, D:1)
  4 poisoned darts
(27, 3, D:1)
  a +0 club
(33, 1, D:1)
  a hobgoblin skeleton
  a rat skeleton
(37, 1, D:1)
  a ball python skeleton
(40, 16, D:1)
  a quokka skeleton

Level 2 of the Dungeon
(0, 0, D:2)
  a hobgoblin corpse (skeletalised by now)
(13, 4, D:2)
  a ball python corpse (skeletalised by now)
(15, -7, D:2)
  a +0 dagger
(21, 4, D:2)
  a ball python corpse
(23, 4, D:2)
  a giant cockroach corpse
(23, 27, D:2)
  a ball python corpse (skeletalised by now)
(25, -7, D:2)
  a +0 sling
(29, 6, D:2)
  a hobgoblin corpse
(29, 20, D:2)
  a +0 club
(38, 35, D:2)
  a +0 short sword
  3 stones
(50, 1, D:2)
  an adder skeleton
(56, 3, D:2)
  a +0 whip